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2026 Vol.29, Issue 1 Preview Page

Research Article

A Time-Domain Processing and Quality-Control Workflow for 3D Marine Seismic Data in the Shallow Waters of the Yellow Sea

서해 천해 3차원 탄성파 자료의 시간 영역 처리 흐름도 및 품질관리 사례

Sooyoon Kim1*
,
Moohee Kang1
,
Yonghwan Joo1
,
Donghoon Lee1
,
Dowan Kim1
,
Joonyoung Kwak2
김 수윤1*
,
강 무희1
,
주 용환1
,
이 동훈1
,
김 도완1
,
곽 준영2
1Resource Exploration and Development Research Division, Korea Institute of Geoscience and Mineral Resources (KIGAM)
2SLB
1한국지질자원연구원 자원탐사개발연구본부
2SLB
*Corresponding Author
28 February 2026. pp. 44-60
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Abstract

This study presents a time-domain processing case for a three-dimensional (3D) marine seismic dataset acquired on the shallow continental shelf of the western offshore Korea (Yellow Sea) using KIGAM’s research vessel Tamhae-3. The raw data were significantly degraded by complex marine noise and strong multiples inherent to shallow-water environments. Through a stepwise application of tailored noise and multiple attenuation techniques, the quality of the final stack section was substantially improved, enabling successful imaging of the acoustic basement boundary. Based on this field data, we establish a time-domain seismic processing workflow comprising a series of processing and quality-control steps and evaluate the effectiveness of each processing stage. The results provide a practical case study and methodological reference for 3D seismic data processing and quality-control procedures in shallow-water environments. These are expected to contribute to future processing efforts under similar geological and acquisition conditions.

Keywords
3D Marine Seismic Data
Shallow-Water
Time-Domain Processing
Quality Control

서해 얕은 해역 대륙붕에서 탐해 3호의 최신 물리탐사 장비를 이용해 취득된 첫 3차원 탄성파 탐사 자료에 대한 시간 영역 처리 사례를 제시하였다. 이 해역에서 취득된 자료는 복잡한 해양 잡음과 강한 다중반사파로 원시 신호의 품질이 저하된 상태였다. 단계적으로 맞춤형 잡음 감쇄와 다중반사파 제거 기법들을 적용한 결과 최종 중합 단면의 신호 품질이 크게 개선되었으며, 목표 심도인 심부 기반암 경계까지 명확히 영상화되었다. 본 사례 연구를 통해 전체 시간 영역 자료처리 흐름도와 품질관리 기준을 제시하고, 각 처리 단계에서의 효과를 현장 자료를 기반으로 검증하였다. 이러한 연구 결과는 대륙붕 환경에서의 3차원 탄성파 자료처리 절차와 품질관리 기법에 대한 구체적인 사례를 제공함으로써 향후 유사 환경 자료처리의 유용한 방법론적 참고자료가 될 것으로 기대된다.

키워드
3차원 해양 탄성파 자료
천해 환경
시간 영역 자료처리
품질관리
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Information
  • Publisher :Korean Society of Earth and Exploration Geophysicists
  • Publisher(Ko) :한국지구물리물리탐사학회
  • Journal Title :Geophysics and Geophysical Exploration
  • Journal Title(Ko) :지구물리와 물리탐사
  • Volume : 29
  • No :1
  • Pages :44-60
  • Received Date : 2025-12-01
  • Revised Date : 2026-01-20
  • Accepted Date : 2026-02-19
  • DOI :https://doi.org/10.7582/GGE.2026.29.1.044
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